1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2017 */
6 /* See the file NOTICE for conditions of use and distribution. */
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
38 int optionlist_auths_size = nelem(optionlist_auths);
40 /* An empty host aliases list. */
42 uschar *no_aliases = NULL;
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 BOOL opt_perl_taintmode = FALSE;
56 tree_node *dlobj_anchor = NULL;
60 uschar *ibase_servers = NULL;
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
76 uschar *mysql_servers = NULL;
80 uschar *oracle_servers = NULL;
84 uschar *pgsql_servers = NULL;
88 uschar *redis_servers = NULL;
92 int sqlite_lock_timeout = 5;
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. */
103 tls_support tls_in = {
106 FALSE,/* tls_certificate_verified */
107 #ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
120 tls_support tls_out = {
123 FALSE,/* tls_certificate_verified */
124 #ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
138 uschar *dsn_envid = NULL;
140 const pcre *regex_DSN = NULL;
141 uschar *dsn_advertise_hosts = NULL;
144 BOOL gnutls_compat_mode = FALSE;
145 BOOL gnutls_allow_auto_pkcs11 = FALSE;
146 uschar *openssl_options = NULL;
147 const pcre *regex_STARTTLS = NULL;
148 uschar *tls_advertise_hosts = US"*";
149 uschar *tls_certificate = NULL;
150 uschar *tls_crl = NULL;
151 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152 that's the interop problem which has been observed: GnuTLS suggesting a higher
153 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154 int tls_dh_max_bits = 2236;
155 uschar *tls_dhparam = NULL;
156 uschar *tls_eccurve = US"auto";
157 # ifndef DISABLE_OCSP
158 uschar *tls_ocsp_file = NULL;
160 uschar *tls_privatekey = NULL;
161 BOOL tls_remember_esmtp = FALSE;
162 uschar *tls_require_ciphers = NULL;
163 uschar *tls_try_verify_hosts = NULL;
164 uschar *tls_verify_certificates= US"system";
165 uschar *tls_verify_hosts = NULL;
166 #else /*!SUPPORT_TLS*/
167 uschar *tls_advertise_hosts = NULL;
171 /* Per Recipient Data Response variables */
172 BOOL prdr_enable = FALSE;
173 BOOL prdr_requested = FALSE;
174 const pcre *regex_PRDR = NULL;
178 const pcre *regex_UTF8 = NULL;
181 /* Input-reading functions for messages, so we can use special ones for
182 incoming TCP/IP. The defaults use stdin. We never need these for any
183 stand-alone tests. */
186 int (*lwr_receive_getc)(unsigned) = stdin_getc;
187 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189 int (*receive_getc)(unsigned) = stdin_getc;
190 uschar * (*receive_getbuf)(unsigned *) = NULL;
191 void (*receive_get_cache)(void)= NULL;
192 int (*receive_ungetc)(int) = stdin_ungetc;
193 int (*receive_feof)(void) = stdin_feof;
194 int (*receive_ferror)(void) = stdin_ferror;
195 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
199 /* List of per-address expansion variables for clearing and saving/restoring
200 when verifying one address while routing/verifying another. We have to have
201 the size explicit, because it is referenced from more than one module. */
203 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
223 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
225 /* General global variables */
227 header_line *acl_added_headers = NULL;
228 tree_node *acl_anchor = NULL;
229 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
235 uschar *acl_not_smtp = NULL;
236 #ifdef WITH_CONTENT_SCAN
237 uschar *acl_not_smtp_mime = NULL;
239 uschar *acl_not_smtp_start = NULL;
240 uschar *acl_removed_headers = NULL;
241 uschar *acl_smtp_auth = NULL;
242 uschar *acl_smtp_connect = NULL;
243 uschar *acl_smtp_data = NULL;
245 uschar *acl_smtp_data_prdr = US"accept";
248 uschar *acl_smtp_dkim = NULL;
250 uschar *acl_smtp_etrn = NULL;
251 uschar *acl_smtp_expn = NULL;
252 uschar *acl_smtp_helo = NULL;
253 uschar *acl_smtp_mail = NULL;
254 uschar *acl_smtp_mailauth = NULL;
255 #ifdef WITH_CONTENT_SCAN
256 uschar *acl_smtp_mime = NULL;
258 uschar *acl_smtp_notquit = NULL;
259 uschar *acl_smtp_predata = NULL;
260 uschar *acl_smtp_quit = NULL;
261 uschar *acl_smtp_rcpt = NULL;
262 uschar *acl_smtp_starttls = NULL;
263 uschar *acl_smtp_vrfy = NULL;
265 BOOL acl_temp_details = FALSE;
266 tree_node *acl_var_c = NULL;
267 tree_node *acl_var_m = NULL;
268 uschar *acl_verify_message = NULL;
269 string_item *acl_warn_logged = NULL;
271 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
274 uschar *acl_wherenames[] = { US"RCPT",
299 uschar *acl_wherecodes[] = { US"550", /* RCPT */
301 US"550", /* PREDATA */
306 US"550", /* RCPT PRDR */
308 US"0", /* not SMTP; not relevant */
310 US"550", /* connect */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
324 BOOL active_local_from_check = FALSE;
325 BOOL active_local_sender_retain = FALSE;
326 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327 uschar *add_environment = NULL;
328 address_item *addr_duplicate = NULL;
330 address_item address_defaults = {
335 NULL, /* start_router */
337 NULL, /* transport */
338 NULL, /* host_list */
339 NULL, /* host_used */
340 NULL, /* fallback_hosts */
345 NULL, /* cc_local_part */
346 NULL, /* lc_local_part */
347 NULL, /* local_part */
351 NULL, /* address_retry_key */
352 NULL, /* domain_retry_key */
353 NULL, /* current_dir */
356 NULL, /* user_message */
357 NULL, /* onetime_parent */
358 NULL, /* pipe_expandn */
359 NULL, /* return_filename */
360 NULL, /* self_hostname */
361 NULL, /* shadow_message */
367 OCSP_NOT_REQ, /* ocsp */
369 #ifdef EXPERIMENTAL_DSN_INFO
370 NULL, /* smtp_greeting */
371 NULL, /* helo_response */
373 NULL, /* authenticator */
375 NULL, /* auth_sndr */
376 NULL, /* dsn_orcpt */
379 (uid_t)(-1), /* uid */
380 (gid_t)(-1), /* gid */
382 { 0 }, /* domain_cache - any larger array should be zeroed */
383 { 0 }, /* localpart_cache - ditto */
386 ERRNO_UNKNOWNERROR, /* basic_errno */
388 -1, /* return_file */
389 SPECIAL_NONE, /* special_action */
390 DEFER, /* transport_return */
391 { /* fields that are propagated to children */
392 NULL, /* address_data */
393 NULL, /* domain_data */
394 NULL, /* localpart_data */
395 NULL, /* errors_address */
396 NULL, /* extra_headers */
397 NULL, /* remove_headers */
398 #ifdef EXPERIMENTAL_SRS
399 NULL, /* srs_sender */
407 uschar *address_file = NULL;
408 uschar *address_pipe = NULL;
409 BOOL address_test_mode = FALSE;
410 tree_node *addresslist_anchor = NULL;
411 int addresslist_count = 0;
412 gid_t *admin_groups = NULL;
413 BOOL admin_user = FALSE;
414 BOOL allow_auth_unadvertised= FALSE;
415 BOOL allow_domain_literals = FALSE;
416 BOOL allow_mx_to_ip = FALSE;
417 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
418 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
419 BOOL allow_utf8_domains = FALSE;
420 uschar *authenticated_fail_id = NULL;
421 uschar *authenticated_id = NULL;
422 uschar *authenticated_sender = NULL;
423 BOOL authentication_failed = FALSE;
424 auth_instance *auths = NULL;
425 uschar *auth_advertise_hosts = US"*";
426 auth_instance auth_defaults = {
427 NULL, /* chain pointer */
430 NULL, /* private options block pointer */
431 NULL, /* driver_name */
432 NULL, /* advertise_condition */
433 NULL, /* client_condition */
434 NULL, /* public_name */
436 NULL, /* set_client_id */
437 NULL, /* server_mail_auth_condition */
438 NULL, /* server_debug_string */
439 NULL, /* server_condition */
442 FALSE /* advertised */
445 uschar *auth_defer_msg = US"reason not recorded";
446 uschar *auth_defer_user_msg = US"";
447 uschar *auth_vars[AUTH_VARS];
449 #ifdef WITH_CONTENT_SCAN
450 BOOL av_failed = FALSE;
451 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
454 BOOL background_daemon = TRUE;
457 uschar *base62_chars=
458 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
460 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
463 uschar *bi_command = NULL;
464 uschar *big_buffer = NULL;
465 int big_buffer_size = BIG_BUFFER_SIZE;
466 #ifdef EXPERIMENTAL_BRIGHTMAIL
467 uschar *bmi_alt_location = NULL;
468 uschar *bmi_base64_tracker_verdict = NULL;
469 uschar *bmi_base64_verdict = NULL;
470 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
473 uschar *bmi_verdicts = NULL;
475 int bsmtp_transaction_linecount = 0;
476 int body_8bitmime = 0;
477 int body_linecount = 0;
478 int body_zerocount = 0;
479 uschar *bounce_message_file = NULL;
480 uschar *bounce_message_text = NULL;
481 uschar *bounce_recipient = NULL;
482 BOOL bounce_return_body = TRUE;
483 int bounce_return_linesize_limit = 998;
484 BOOL bounce_return_message = TRUE;
485 int bounce_return_size_limit = 100*1024;
486 uschar *bounce_sender_authentication = NULL;
487 uschar *builtin_macros_create_trigger = NULL;
489 uschar *callout_address = NULL;
490 int callout_cache_domain_positive_expire = 7*24*60*60;
491 int callout_cache_domain_negative_expire = 3*60*60;
492 int callout_cache_positive_expire = 24*60*60;
493 int callout_cache_negative_expire = 2*60*60;
494 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
495 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
496 int check_log_inodes = 100;
497 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
498 BOOL check_rfc2047_length = TRUE;
499 int check_spool_inodes = 100;
500 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
502 uschar *chunking_advertise_hosts = US"*";
503 unsigned chunking_datasize = 0;
504 unsigned chunking_data_left = 0;
505 BOOL chunking_offered = FALSE;
506 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
507 const pcre *regex_CHUNKING = NULL;
509 uschar *client_authenticator = NULL;
510 uschar *client_authenticated_id = NULL;
511 uschar *client_authenticated_sender = NULL;
512 int clmacro_count = 0;
513 uschar *clmacros[MAX_CLMACROS];
514 BOOL commandline_checks_require_admin = FALSE;
515 BOOL config_changed = FALSE;
516 FILE *config_file = NULL;
517 const uschar *config_filename = NULL;
518 int config_lineno = 0;
519 #ifdef CONFIGURE_GROUP
520 gid_t config_gid = CONFIGURE_GROUP;
522 gid_t config_gid = 0;
524 uschar *config_main_filelist = US CONFIGURE_FILE
525 "\0<-----------Space to patch configure_filename->";
526 uschar *config_main_filename = NULL;
527 uschar *config_main_directory = NULL;
529 #ifdef CONFIGURE_OWNER
530 uid_t config_uid = CONFIGURE_OWNER;
532 uid_t config_uid = 0;
535 int connection_max_messages= -1;
536 uschar *continue_proxy_cipher = NULL;
537 uschar *continue_hostname = NULL;
538 uschar *continue_host_address = NULL;
539 BOOL continue_more = FALSE;
540 int continue_sequence = 1;
541 uschar *continue_transport = NULL;
543 uschar *csa_status = NULL;
545 FALSE, /* verify-only: normal delivery */
546 FALSE, /* delivery: when to attempt */
547 FALSE, /* on defer: spool locally */
548 FALSE, /* not a TLS conn yet */
549 -1, /* fd: open connection */
550 0, /* nrcpt: number of addresses */
553 BOOL daemon_listen = FALSE;
554 uschar *daemon_smtp_port = US"smtp";
555 int daemon_startup_retries = 9;
556 int daemon_startup_sleep = 30;
558 #ifdef EXPERIMENTAL_DCC
559 BOOL dcc_direct_add_header = FALSE;
560 uschar *dcc_header = NULL;
561 uschar *dcc_result = NULL;
562 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
563 uschar *dccifd_options = US"header";
566 BOOL debug_daemon = FALSE;
568 FILE *debug_file = NULL;
569 int debug_notall[] = {
573 bit_table debug_options[] = { /* must be in alphabetical order */
577 BIT_TABLE(D, deliver),
581 BIT_TABLE(D, expand),
582 BIT_TABLE(D, filter),
583 BIT_TABLE(D, hints_lookup),
584 BIT_TABLE(D, host_lookup),
586 BIT_TABLE(D, interface),
589 BIT_TABLE(D, local_scan),
590 BIT_TABLE(D, lookup),
591 BIT_TABLE(D, memory),
593 BIT_TABLE(D, process_info),
594 BIT_TABLE(D, queue_run),
595 BIT_TABLE(D, receive),
596 BIT_TABLE(D, resolver),
598 BIT_TABLE(D, rewrite),
600 BIT_TABLE(D, timestamp),
602 BIT_TABLE(D, transport),
604 BIT_TABLE(D, verify),
606 int debug_options_count = nelem(debug_options);
608 unsigned int debug_selector = 0;
609 BOOL debug_store = FALSE;
610 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
611 uschar *delay_warning_condition=
613 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
614 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
615 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
617 BOOL delivery_date_remove = TRUE;
618 uschar *deliver_address_data = NULL;
619 int deliver_datafile = -1;
620 const uschar *deliver_domain = NULL;
621 uschar *deliver_domain_data = NULL;
622 const uschar *deliver_domain_orig = NULL;
623 const uschar *deliver_domain_parent = NULL;
624 BOOL deliver_drop_privilege = FALSE;
625 BOOL deliver_firsttime = FALSE;
626 BOOL deliver_force = FALSE;
627 BOOL deliver_freeze = FALSE;
628 time_t deliver_frozen_at = 0;
629 uschar *deliver_home = NULL;
630 const uschar *deliver_host = NULL;
631 const uschar *deliver_host_address = NULL;
632 int deliver_host_port = 0;
633 uschar *deliver_in_buffer = NULL;
634 ino_t deliver_inode = 0;
635 uschar *deliver_localpart = NULL;
636 uschar *deliver_localpart_data = NULL;
637 uschar *deliver_localpart_orig = NULL;
638 uschar *deliver_localpart_parent = NULL;
639 uschar *deliver_localpart_prefix = NULL;
640 uschar *deliver_localpart_suffix = NULL;
641 BOOL deliver_force_thaw = FALSE;
642 BOOL deliver_manual_thaw = FALSE;
643 uschar *deliver_out_buffer = NULL;
644 int deliver_queue_load_max = -1;
645 address_item *deliver_recipients = NULL;
646 uschar *deliver_selectstring = NULL;
647 BOOL deliver_selectstring_regex = FALSE;
648 uschar *deliver_selectstring_sender = NULL;
649 BOOL deliver_selectstring_sender_regex = FALSE;
650 BOOL disable_callout_flush = FALSE;
651 BOOL disable_delay_flush = FALSE;
652 #ifdef ENABLE_DISABLE_FSYNC
653 BOOL disable_fsync = FALSE;
655 BOOL disable_ipv6 = FALSE;
656 BOOL disable_logging = FALSE;
659 BOOL dkim_collect_input = FALSE;
660 uschar *dkim_cur_signer = NULL;
661 BOOL dkim_disable_verify = FALSE;
662 int dkim_key_length = 0;
663 uschar *dkim_signers = NULL;
664 uschar *dkim_signing_domain = NULL;
665 uschar *dkim_signing_selector = NULL;
666 uschar *dkim_verify_signers = US"$dkim_signers";
668 #ifdef EXPERIMENTAL_DMARC
669 BOOL dmarc_has_been_checked = FALSE;
670 uschar *dmarc_ar_header = NULL;
671 uschar *dmarc_domain_policy = NULL;
672 uschar *dmarc_forensic_sender = NULL;
673 uschar *dmarc_history_file = NULL;
674 uschar *dmarc_status = NULL;
675 uschar *dmarc_status_text = NULL;
676 uschar *dmarc_tld_file = NULL;
677 uschar *dmarc_used_domain = NULL;
678 BOOL dmarc_disable_verify = FALSE;
679 BOOL dmarc_enable_forensic = FALSE;
682 uschar *dns_again_means_nonexist = NULL;
683 int dns_csa_search_limit = 5;
684 BOOL dns_csa_use_reverse = TRUE;
685 #ifdef EXPERIMENTAL_DANE
686 int dns_dane_ok = -1;
688 uschar *dns_ipv4_lookup = NULL;
691 int dns_dnssec_ok = -1; /* <0 = not coerced */
692 uschar *dns_trust_aa = NULL;
693 int dns_use_edns0 = -1; /* <0 = not coerced */
694 uschar *dnslist_domain = NULL;
695 uschar *dnslist_matched = NULL;
696 uschar *dnslist_text = NULL;
697 uschar *dnslist_value = NULL;
698 tree_node *domainlist_anchor = NULL;
699 int domainlist_count = 0;
700 BOOL dont_deliver = FALSE;
701 BOOL dot_ends = TRUE;
702 BOOL drop_cr = FALSE; /* No longer used */
703 uschar *dsn_from = US DEFAULT_DSN_FROM;
705 BOOL enable_dollar_recipients = FALSE;
706 BOOL envelope_to_remove = TRUE;
707 int errno_quota = ERRNO_QUOTA;
708 uschar *errors_copy = NULL;
709 int error_handling = ERRORS_SENDER;
710 uschar *errors_reply_to = NULL;
711 int errors_sender_rc = EXIT_FAILURE;
712 #ifndef DISABLE_EVENT
713 uschar *event_action = NULL; /* expansion for delivery events */
714 uschar *event_data = NULL; /* auxiliary data variable for event */
715 int event_defer_errno = 0;
716 const uschar *event_name = NULL; /* event name variable */
720 gid_t exim_gid = EXIM_GID;
721 BOOL exim_gid_set = TRUE; /* This gid is always set */
722 uschar *exim_path = US BIN_DIRECTORY "/exim"
723 "\0<---------------Space to patch exim_path->";
724 uid_t exim_uid = EXIM_UID;
725 BOOL exim_uid_set = TRUE; /* This uid is always set */
726 int expand_level = 0; /* Nesting depth, indent for debug */
727 int expand_forbid = 0;
728 int expand_nlength[EXPAND_MAXN+1];
729 int expand_nmax = -1;
730 uschar *expand_nstring[EXPAND_MAXN+1];
731 BOOL expand_string_forcedfail = FALSE;
732 uschar *expand_string_message;
733 BOOL extract_addresses_remove_arguments = TRUE;
734 uschar *extra_local_interfaces = NULL;
736 int fake_response = OK;
737 uschar *fake_response_text = US"Your message has been rejected but is "
738 "being kept for evaluation.\nIf it was a "
739 "legitimate message, it may still be "
740 "delivered to the target recipient(s).";
741 int filter_n[FILTER_VARIABLE_COUNT];
742 BOOL filter_running = FALSE;
743 int filter_sn[FILTER_VARIABLE_COUNT];
744 int filter_test = FTEST_NONE;
745 uschar *filter_test_sfile = NULL;
746 uschar *filter_test_ufile = NULL;
747 uschar *filter_thisaddress = NULL;
748 int finduser_retries = 0;
749 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
750 uschar *freeze_tell = NULL;
751 uschar *freeze_tell_config = NULL;
752 uschar *fudged_queue_times = US"";
754 uschar *gecos_name = NULL;
755 uschar *gecos_pattern = NULL;
756 rewrite_rule *global_rewrite_rules = NULL;
758 uschar *headers_charset = US HEADERS_CHARSET;
759 int header_insert_maxlen = 64 * 1024;
760 header_line *header_last = NULL;
761 header_line *header_list = NULL;
762 int header_maxsize = HEADER_MAXSIZE;
763 int header_line_maxsize = 0;
765 header_name header_names[] = {
766 { US"bcc", 3, TRUE, htype_bcc },
767 { US"cc", 2, TRUE, htype_cc },
768 { US"date", 4, TRUE, htype_date },
769 { US"delivery-date", 13, FALSE, htype_delivery_date },
770 { US"envelope-to", 11, FALSE, htype_envelope_to },
771 { US"from", 4, TRUE, htype_from },
772 { US"message-id", 10, TRUE, htype_id },
773 { US"received", 8, FALSE, htype_received },
774 { US"reply-to", 8, FALSE, htype_reply_to },
775 { US"return-path", 11, FALSE, htype_return_path },
776 { US"sender", 6, TRUE, htype_sender },
777 { US"subject", 7, FALSE, htype_subject },
778 { US"to", 2, TRUE, htype_to }
781 int header_names_size = sizeof(header_names)/sizeof(header_name);
783 BOOL header_rewritten = FALSE;
784 uschar *helo_accept_junk_hosts = NULL;
785 uschar *helo_allow_chars = US"";
786 uschar *helo_lookup_domains = US"@ : @[]";
787 uschar *helo_try_verify_hosts = NULL;
788 BOOL helo_verified = FALSE;
789 BOOL helo_verify_failed = FALSE;
790 uschar *helo_verify_hosts = NULL;
791 const uschar *hex_digits = CUS"0123456789abcdef";
792 uschar *hold_domains = NULL;
793 BOOL host_checking = FALSE;
794 BOOL host_checking_callout = FALSE;
795 uschar *host_data = NULL;
796 BOOL host_find_failed_syntax= FALSE;
797 uschar *host_lookup = NULL;
798 BOOL host_lookup_deferred = FALSE;
799 BOOL host_lookup_failed = FALSE;
800 uschar *host_lookup_order = US"bydns:byaddr";
801 uschar *host_lookup_msg = US"";
803 uschar *host_number_string = NULL;
804 uschar *host_reject_connection = NULL;
805 tree_node *hostlist_anchor = NULL;
806 int hostlist_count = 0;
807 uschar *hosts_treat_as_local = NULL;
808 uschar *hosts_connection_nolog = NULL;
810 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
811 BOOL ignore_fromline_local = FALSE;
812 uschar *ignore_fromline_hosts = NULL;
813 BOOL inetd_wait_mode = FALSE;
814 int inetd_wait_timeout = -1;
815 uschar *initial_cwd = NULL;
816 uschar *interface_address = NULL;
817 int interface_port = -1;
818 BOOL is_inetd = FALSE;
819 uschar *iterate_item = NULL;
823 uschar *keep_environment = NULL;
825 int keep_malformed = 4*24*60*60; /* 4 days */
827 uschar *eldap_dn = NULL;
828 int load_average = -2;
829 BOOL local_error_message = FALSE;
830 BOOL local_from_check = TRUE;
831 uschar *local_from_prefix = NULL;
832 uschar *local_from_suffix = NULL;
835 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
837 uschar *local_interfaces = US"0.0.0.0";
840 uschar *local_scan_data = NULL;
841 int local_scan_timeout = 5*60;
842 BOOL local_sender_retain = FALSE;
843 gid_t local_user_gid = (gid_t)(-1);
844 uid_t local_user_uid = (uid_t)(-1);
846 tree_node *localpartlist_anchor= NULL;
847 int localpartlist_count = 0;
848 uschar *log_buffer = NULL;
850 int log_default[] = { /* for initializing log_selector */
852 Li_connection_reject,
856 Li_host_lookup_failed,
857 Li_lost_incoming_connection,
858 Li_outgoing_interface, /* see d_log_interface in deliver.c */
862 Li_sender_verify_fail,
865 Li_smtp_confirmation,
866 Li_tls_certificate_verified,
871 uschar *log_file_path = US LOG_FILE_PATH
872 "\0<--------------Space to patch log_file_path->";
877 bit_table log_options[] = { /* must be in alphabetical order */
878 BIT_TABLE(L, 8bitmime),
879 BIT_TABLE(L, acl_warn_skipped),
880 BIT_TABLE(L, address_rewrite),
882 BIT_TABLE(L, all_parents),
883 BIT_TABLE(L, arguments),
884 BIT_TABLE(L, connection_reject),
885 BIT_TABLE(L, delay_delivery),
886 BIT_TABLE(L, deliver_time),
887 BIT_TABLE(L, delivery_size),
888 BIT_TABLE(L, dnslist_defer),
889 BIT_TABLE(L, dnssec),
891 BIT_TABLE(L, host_lookup_failed),
892 BIT_TABLE(L, ident_timeout),
893 BIT_TABLE(L, incoming_interface),
894 BIT_TABLE(L, incoming_port),
895 BIT_TABLE(L, lost_incoming_connection),
896 BIT_TABLE(L, outgoing_interface),
897 BIT_TABLE(L, outgoing_port),
899 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
902 BIT_TABLE(L, queue_run),
903 BIT_TABLE(L, queue_time),
904 BIT_TABLE(L, queue_time_overall),
905 BIT_TABLE(L, received_recipients),
906 BIT_TABLE(L, received_sender),
907 BIT_TABLE(L, rejected_header),
908 { US"rejected_headers", Li_rejected_header },
909 BIT_TABLE(L, retry_defer),
910 BIT_TABLE(L, return_path_on_delivery),
911 BIT_TABLE(L, sender_on_delivery),
912 BIT_TABLE(L, sender_verify_fail),
913 BIT_TABLE(L, size_reject),
914 BIT_TABLE(L, skip_delivery),
915 BIT_TABLE(L, smtp_confirmation),
916 BIT_TABLE(L, smtp_connection),
917 BIT_TABLE(L, smtp_incomplete_transaction),
918 BIT_TABLE(L, smtp_mailauth),
919 BIT_TABLE(L, smtp_no_mail),
920 BIT_TABLE(L, smtp_protocol_error),
921 BIT_TABLE(L, smtp_syntax_error),
922 BIT_TABLE(L, subject),
923 BIT_TABLE(L, tls_certificate_verified),
924 BIT_TABLE(L, tls_cipher),
925 BIT_TABLE(L, tls_peerdn),
926 BIT_TABLE(L, tls_sni),
927 BIT_TABLE(L, unknown_in_list),
929 int log_options_count = nelem(log_options);
931 int log_reject_target = 0;
932 unsigned int log_selector[log_selector_size]; /* initialized in main() */
933 uschar *log_selector_string = NULL;
934 FILE *log_stderr = NULL;
935 BOOL log_testing_mode = FALSE;
936 BOOL log_timezone = FALSE;
937 uschar *login_sender_address = NULL;
938 uschar *lookup_dnssec_authenticated = NULL;
939 int lookup_open_max = 25;
940 uschar *lookup_value = NULL;
942 macro_item *macros = NULL;
943 macro_item *mlast = NULL;
944 BOOL macros_builtin_created = FALSE;
945 uschar *mailstore_basename = NULL;
946 #ifdef WITH_CONTENT_SCAN
947 uschar *malware_name = NULL; /* Virus Name */
949 int max_received_linelength= 0;
950 int max_username_length = 0;
952 uschar *message_body = NULL;
953 uschar *message_body_end = NULL;
954 BOOL message_body_newlines = FALSE;
955 int message_body_size = 0;
956 int message_body_visible = 500;
957 int message_ended = END_NOTSTARTED;
958 uschar *message_headers = NULL;
960 uschar *message_id_domain = NULL;
961 uschar *message_id_text = NULL;
962 struct timeval message_id_tv = { 0, 0 };
963 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
964 uschar *message_id_external;
965 int message_linecount = 0;
966 BOOL message_logs = TRUE;
967 int message_size = 0;
968 uschar *message_size_limit = US"50M";
970 BOOL message_smtputf8 = FALSE;
971 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
973 uschar message_subdir[2] = { 0, 0 };
974 uschar *message_reference = NULL;
976 /* MIME ACL expandables */
977 #ifdef WITH_CONTENT_SCAN
978 int mime_anomaly_level = 0;
979 const uschar *mime_anomaly_text = NULL;
980 uschar *mime_boundary = NULL;
981 uschar *mime_charset = NULL;
982 uschar *mime_content_description = NULL;
983 uschar *mime_content_disposition = NULL;
984 uschar *mime_content_id = NULL;
985 unsigned int mime_content_size = 0;
986 uschar *mime_content_transfer_encoding = NULL;
987 uschar *mime_content_type = NULL;
988 uschar *mime_decoded_filename = NULL;
989 uschar *mime_filename = NULL;
990 int mime_is_multipart = 0;
991 int mime_is_coverletter = 0;
992 int mime_is_rfc822 = 0;
993 int mime_part_count = -1;
996 BOOL mua_wrapper = FALSE;
998 uid_t *never_users = NULL;
999 #ifdef WITH_CONTENT_SCAN
1000 BOOL no_mbox_unspool = FALSE;
1002 BOOL no_multiline_responses = FALSE;
1004 const int on = 1; /* for setsockopt */
1007 uid_t original_euid;
1008 gid_t originator_gid;
1009 uschar *originator_login = NULL;
1010 uschar *originator_name = NULL;
1011 uid_t originator_uid;
1012 uschar *override_local_interfaces = NULL;
1013 uschar *override_pid_file_path = NULL;
1015 BOOL parse_allow_group = FALSE;
1016 BOOL parse_found_group = FALSE;
1017 uschar *percent_hack_domains = NULL;
1018 uschar *pid_file_path = US PID_FILE_PATH
1019 "\0<--------------Space to patch pid_file_path->";
1020 BOOL pipelining_enable = TRUE;
1021 uschar *pipelining_advertise_hosts = US"*";
1022 BOOL preserve_message_logs = FALSE;
1023 uschar *primary_hostname = NULL;
1024 BOOL print_topbitchars = FALSE;
1025 uschar process_info[PROCESS_INFO_SIZE];
1026 int process_info_len = 0;
1027 uschar *process_log_path = NULL;
1028 BOOL prod_requires_admin = TRUE;
1030 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1031 uschar *hosts_proxy = US"";
1032 uschar *proxy_external_address = US"";
1033 int proxy_external_port = 0;
1034 uschar *proxy_local_address = US"";
1035 int proxy_local_port = 0;
1036 BOOL proxy_session = FALSE;
1037 BOOL proxy_session_failed = FALSE;
1040 uschar *prvscheck_address = NULL;
1041 uschar *prvscheck_keynum = NULL;
1042 uschar *prvscheck_result = NULL;
1045 const uschar *qualify_domain_recipient = NULL;
1046 uschar *qualify_domain_sender = NULL;
1047 BOOL queue_2stage = FALSE;
1048 uschar *queue_domains = NULL;
1049 int queue_interval = -1;
1050 BOOL queue_list_requires_admin = TRUE;
1051 uschar *queue_name = US"";
1052 BOOL queue_only = FALSE;
1053 uschar *queue_only_file = NULL;
1054 int queue_only_load = -1;
1055 BOOL queue_only_load_latch = TRUE;
1056 BOOL queue_only_override = TRUE;
1057 BOOL queue_only_policy = FALSE;
1058 BOOL queue_run_first_delivery = FALSE;
1059 BOOL queue_run_force = FALSE;
1060 BOOL queue_run_in_order = FALSE;
1061 BOOL queue_run_local = FALSE;
1062 uschar *queue_run_max = US"5";
1063 pid_t queue_run_pid = (pid_t)0;
1064 int queue_run_pipe = -1;
1065 BOOL queue_running = FALSE;
1066 BOOL queue_smtp = FALSE;
1067 uschar *queue_smtp_domains = NULL;
1069 unsigned int random_seed = 0;
1070 tree_node *ratelimiters_cmd = NULL;
1071 tree_node *ratelimiters_conn = NULL;
1072 tree_node *ratelimiters_mail = NULL;
1073 uschar *raw_active_hostname = NULL;
1074 uschar *raw_sender = NULL;
1075 uschar **raw_recipients = NULL;
1076 int raw_recipients_count = 0;
1079 int rcpt_fail_count = 0;
1080 int rcpt_defer_count = 0;
1083 BOOL really_exim = TRUE;
1084 BOOL receive_call_bombout = FALSE;
1085 int receive_linecount = 0;
1086 int receive_messagecount = 0;
1087 int receive_timeout = 0;
1088 int received_count = 0;
1089 uschar *received_for = NULL;
1091 /* This is the default text for Received headers generated by Exim. The
1092 date will be automatically added on the end. */
1094 uschar *received_header_text = US
1096 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1097 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1098 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1099 "by $primary_hostname "
1100 "${if def:received_protocol {with $received_protocol}} "
1102 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1104 "(Exim $version_number)\n\t"
1105 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1106 "id $message_exim_id"
1107 "${if def:received_for {\n\tfor $received_for}}"
1108 "\0<---------------Space to patch received_header_text->";
1110 int received_headers_max = 30;
1111 uschar *received_protocol = NULL;
1112 int received_time = 0;
1113 uschar *recipient_data = NULL;
1114 uschar *recipient_unqualified_hosts = NULL;
1115 uschar *recipient_verify_failure = NULL;
1116 int recipients_count = 0;
1117 BOOL recipients_discarded = FALSE;
1118 recipient_item *recipients_list = NULL;
1119 int recipients_list_max = 0;
1120 int recipients_max = 0;
1121 BOOL recipients_max_reject = FALSE;
1122 const pcre *regex_AUTH = NULL;
1123 const pcre *regex_check_dns_names = NULL;
1124 const pcre *regex_From = NULL;
1125 const pcre *regex_IGNOREQUOTA = NULL;
1126 const pcre *regex_PIPELINING = NULL;
1127 const pcre *regex_SIZE = NULL;
1128 const pcre *regex_ismsgid = NULL;
1129 const pcre *regex_smtp_code = NULL;
1130 uschar *regex_vars[REGEX_VARS];
1131 #ifdef WHITELIST_D_MACROS
1132 const pcre *regex_whitelisted_macro = NULL;
1134 #ifdef WITH_CONTENT_SCAN
1135 uschar *regex_match_string = NULL;
1137 int remote_delivery_count = 0;
1138 int remote_max_parallel = 2;
1139 uschar *remote_sort_domains = NULL;
1140 int retry_data_expire = 7*24*60*60;
1141 int retry_interval_max = 24*60*60;
1142 int retry_maximum_timeout = 0; /* set from retry config */
1143 retry_config *retries = NULL;
1144 uschar *return_path = NULL;
1145 BOOL return_path_remove = TRUE;
1146 int rewrite_existflags = 0;
1147 uschar *rfc1413_hosts = US"@[]";
1148 int rfc1413_query_timeout = 0;
1149 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1150 uid_t root_gid = ROOT_GID;
1151 uid_t root_uid = ROOT_UID;
1153 router_instance *routers = NULL;
1154 router_instance router_defaults = {
1155 NULL, /* chain pointer */
1158 NULL, /* private options block pointer */
1159 NULL, /* driver name */
1161 NULL, /* address_data */
1162 #ifdef EXPERIMENTAL_BRIGHTMAIL
1163 NULL, /* bmi_rule */
1165 NULL, /* cannot_route_message */
1166 NULL, /* condition */
1167 NULL, /* current_directory */
1168 NULL, /* debug_string */
1170 NULL, /* errors_to */
1171 NULL, /* expand_gid */
1172 NULL, /* expand_uid */
1173 NULL, /* expand_more */
1174 NULL, /* expand_unseen */
1175 NULL, /* extra_headers */
1176 NULL, /* fallback_hosts */
1177 NULL, /* home_directory */
1178 NULL, /* ignore_target_hosts */
1179 NULL, /* local_parts */
1180 NULL, /* pass_router_name */
1182 NULL, /* redirect_router_name */
1183 NULL, /* remove_headers */
1184 NULL, /* require_files */
1185 NULL, /* router_home_directory */
1186 US"freeze", /* self */
1189 NULL, /* translate_ip_address */
1190 NULL, /* transport_name */
1192 TRUE, /* address_test */
1193 #ifdef EXPERIMENTAL_BRIGHTMAIL
1194 FALSE, /* bmi_deliver_alternate */
1195 FALSE, /* bmi_deliver_default */
1196 FALSE, /* bmi_dont_deliver */
1199 FALSE, /* caseful_local_part */
1200 FALSE, /* check_local_user */
1201 FALSE, /* disable_logging */
1202 FALSE, /* fail_verify_recipient */
1203 FALSE, /* fail_verify_sender */
1204 FALSE, /* gid_set */
1205 FALSE, /* initgroups */
1206 TRUE_UNSET, /* log_as_local */
1208 FALSE, /* pass_on_timeout */
1209 FALSE, /* prefix_optional */
1210 TRUE, /* repeat_use */
1211 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1212 FALSE, /* same_domain_copy_routing */
1213 FALSE, /* self_rewrite */
1214 FALSE, /* suffix_optional */
1215 FALSE, /* verify_only */
1216 TRUE, /* verify_recipient */
1217 TRUE, /* verify_sender */
1218 FALSE, /* uid_set */
1220 FALSE, /* dsn_lasthop */
1222 self_freeze, /* self_code */
1223 (uid_t)(-1), /* uid */
1224 (gid_t)(-1), /* gid */
1226 NULL, /* fallback_hostlist */
1227 NULL, /* transport instance */
1228 NULL, /* pass_router */
1229 NULL, /* redirect_router */
1231 { NULL, NULL }, /* dnssec_domains {require,request} */
1234 uschar *router_name = NULL;
1236 ip_address_item *running_interfaces = NULL;
1237 BOOL running_in_test_harness = FALSE;
1239 /* This is a weird one. The following string gets patched in the binary by the
1240 script that sets up a copy of Exim for running in the test harness. It seems
1241 that compilers are now clever, and share constant strings if they can.
1242 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1243 make use of the end of this string in order to save space. So the patching then
1244 wrecks this. We defeat this optimization by adding some additional characters
1245 onto the end of the string. */
1247 uschar *running_status = US">>>running<<<" "\0EXTRA";
1251 uschar *search_error_message = NULL;
1252 BOOL search_find_defer = FALSE;
1253 uschar *self_hostname = NULL;
1254 uschar *sender_address = NULL;
1255 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1256 uschar *sender_address_data = NULL;
1257 BOOL sender_address_forced = FALSE;
1258 uschar *sender_address_unrewritten = NULL;
1259 uschar *sender_data = NULL;
1260 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1261 uschar *sender_fullhost = NULL;
1262 BOOL sender_helo_dnssec = FALSE;
1263 uschar *sender_helo_name = NULL;
1264 uschar **sender_host_aliases = &no_aliases;
1265 uschar *sender_host_address = NULL;
1266 uschar *sender_host_authenticated = NULL;
1267 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1268 BOOL sender_host_dnssec = FALSE;
1269 uschar *sender_host_name = NULL;
1270 int sender_host_port = 0;
1271 BOOL sender_host_notsocket = FALSE;
1272 BOOL sender_host_unknown = FALSE;
1273 uschar *sender_ident = NULL;
1274 BOOL sender_local = FALSE;
1275 BOOL sender_name_forced = FALSE;
1276 uschar *sender_rate = NULL;
1277 uschar *sender_rate_limit = NULL;
1278 uschar *sender_rate_period = NULL;
1279 uschar *sender_rcvhost = NULL;
1280 BOOL sender_set_untrusted = FALSE;
1281 uschar *sender_unqualified_hosts = NULL;
1282 uschar *sender_verify_failure = NULL;
1283 address_item *sender_verified_list = NULL;
1284 address_item *sender_verified_failed = NULL;
1285 int sender_verified_rc = -1;
1286 BOOL sender_verified_responded = FALSE;
1287 uschar *sending_ip_address = NULL;
1288 int sending_port = -1;
1289 SIGNAL_BOOL sigalrm_seen = FALSE;
1290 uschar **sighup_argv = NULL;
1291 int slow_lookup_log = 0; /* millisecs, zero disables */
1292 int smtp_accept_count = 0;
1293 BOOL smtp_accept_keepalive = TRUE;
1294 int smtp_accept_max = 20;
1295 int smtp_accept_max_nonmail= 10;
1296 uschar *smtp_accept_max_nonmail_hosts = US"*";
1297 int smtp_accept_max_per_connection = 1000;
1298 uschar *smtp_accept_max_per_host = NULL;
1299 int smtp_accept_queue = 0;
1300 int smtp_accept_queue_per_connection = 10;
1301 int smtp_accept_reserve = 0;
1302 uschar *smtp_active_hostname = NULL;
1303 BOOL smtp_authenticated = FALSE;
1304 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1305 "Exim $version_number $tod_full"
1306 "\0<---------------Space to patch smtp_banner->";
1307 BOOL smtp_batched_input = FALSE;
1308 BOOL smtp_check_spool_space = TRUE;
1309 int smtp_ch_index = 0;
1310 uschar *smtp_cmd_argument = NULL;
1311 uschar *smtp_cmd_buffer = NULL;
1312 time_t smtp_connection_start = 0;
1313 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1314 int smtp_connect_backlog = 20;
1315 double smtp_delay_mail = 0.0;
1316 double smtp_delay_rcpt = 0.0;
1317 BOOL smtp_enforce_sync = TRUE;
1318 FILE *smtp_in = NULL;
1319 BOOL smtp_input = FALSE;
1320 int smtp_load_reserve = -1;
1321 int smtp_mailcmd_count = 0;
1322 FILE *smtp_out = NULL;
1323 uschar *smtp_etrn_command = NULL;
1324 BOOL smtp_etrn_serialize = TRUE;
1325 int smtp_max_synprot_errors= 3;
1326 int smtp_max_unknown_commands = 3;
1327 uschar *smtp_notquit_reason = NULL;
1328 uschar *smtp_ratelimit_hosts = NULL;
1329 uschar *smtp_ratelimit_mail = NULL;
1330 uschar *smtp_ratelimit_rcpt = NULL;
1331 uschar *smtp_read_error = US"";
1332 int smtp_receive_timeout = 5*60;
1333 uschar *smtp_receive_timeout_s = NULL;
1334 uschar *smtp_reserve_hosts = NULL;
1335 BOOL smtp_return_error_details = FALSE;
1336 int smtp_rlm_base = 0;
1337 double smtp_rlm_factor = 0.0;
1338 int smtp_rlm_limit = 0;
1339 int smtp_rlm_threshold = INT_MAX;
1340 int smtp_rlr_base = 0;
1341 double smtp_rlr_factor = 0.0;
1342 int smtp_rlr_limit = 0;
1343 int smtp_rlr_threshold = INT_MAX;
1344 unsigned smtp_peer_options = 0;
1345 unsigned smtp_peer_options_wrap= 0;
1347 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1350 #ifdef WITH_CONTENT_SCAN
1351 uschar *spamd_address = US"127.0.0.1 783";
1352 uschar *spam_bar = NULL;
1353 uschar *spam_report = NULL;
1354 uschar *spam_action = NULL;
1355 uschar *spam_score = NULL;
1356 uschar *spam_score_int = NULL;
1358 #ifdef EXPERIMENTAL_SPF
1359 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1360 uschar *spf_header_comment = NULL;
1361 uschar *spf_received = NULL;
1362 uschar *spf_result = NULL;
1363 uschar *spf_smtp_comment = NULL;
1366 BOOL split_spool_directory = FALSE;
1367 uschar *spool_directory = US SPOOL_DIRECTORY
1368 "\0<--------------Space to patch spool_directory->";
1369 BOOL spool_file_wireformat = FALSE;
1370 BOOL spool_wireformat = FALSE;
1371 #ifdef EXPERIMENTAL_SRS
1372 uschar *srs_config = NULL;
1373 uschar *srs_db_address = NULL;
1374 uschar *srs_db_key = NULL;
1375 int srs_hashlength = 6;
1376 int srs_hashmin = -1;
1377 int srs_maxage = 31;
1378 uschar *srs_orig_recipient = NULL;
1379 uschar *srs_orig_sender = NULL;
1380 uschar *srs_recipient = NULL;
1381 uschar *srs_secrets = NULL;
1382 uschar *srs_status = NULL;
1383 BOOL srs_usehash = TRUE;
1384 BOOL srs_usetimestamp = TRUE;
1386 BOOL strict_acl_vars = FALSE;
1387 int string_datestamp_offset= -1;
1388 int string_datestamp_length= 0;
1389 int string_datestamp_type = -1;
1390 BOOL strip_excess_angle_brackets = FALSE;
1391 BOOL strip_trailing_dot = FALSE;
1392 uschar *submission_domain = NULL;
1393 BOOL submission_mode = FALSE;
1394 uschar *submission_name = NULL;
1395 BOOL suppress_local_fixups = FALSE;
1396 BOOL suppress_local_fixups_default = FALSE;
1397 BOOL synchronous_delivery = FALSE;
1398 BOOL syslog_duplication = TRUE;
1399 int syslog_facility = LOG_MAIL;
1400 BOOL syslog_pid = TRUE;
1401 uschar *syslog_processname = US"exim";
1402 BOOL syslog_timestamp = TRUE;
1403 uschar *system_filter = NULL;
1405 uschar *system_filter_directory_transport = NULL;
1406 uschar *system_filter_file_transport = NULL;
1407 uschar *system_filter_pipe_transport = NULL;
1408 uschar *system_filter_reply_transport = NULL;
1410 gid_t system_filter_gid = 0;
1411 BOOL system_filter_gid_set = FALSE;
1412 uid_t system_filter_uid = (uid_t)-1;
1413 BOOL system_filter_uid_set = FALSE;
1414 BOOL system_filtering = FALSE;
1416 BOOL tcp_fastopen_ok = FALSE;
1417 BOOL tcp_nodelay = TRUE;
1418 #ifdef USE_TCP_WRAPPERS
1419 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1421 int test_harness_load_avg = 0;
1422 int thismessage_size_limit = 0;
1423 int timeout_frozen_after = 0;
1424 BOOL timestamps_utc = FALSE;
1426 transport_instance *transports = NULL;
1428 transport_instance transport_defaults = {
1429 NULL, /* chain pointer */
1432 NULL, /* private options block pointer */
1433 NULL, /* driver name */
1434 NULL, /* setup entry point */
1436 NULL, /* batch_id */
1437 NULL, /* home_dir */
1438 NULL, /* current_dir */
1439 NULL, /* expand-multi-domain */
1440 TRUE, /* multi-domain */
1441 FALSE, /* overrides_hosts */
1442 100, /* max_addresses */
1443 500, /* connection_max_messages */
1444 FALSE, /* deliver_as_creator */
1445 FALSE, /* disable_logging */
1446 FALSE, /* initgroups */
1447 FALSE, /* uid_set */
1448 FALSE, /* gid_set */
1449 (uid_t)(-1), /* uid */
1450 (gid_t)(-1), /* gid */
1451 NULL, /* expand_uid */
1452 NULL, /* expand_gid */
1453 NULL, /* warn_message */
1455 NULL, /* shadow_condition */
1456 NULL, /* filter_command */
1457 NULL, /* add_headers */
1458 NULL, /* remove_headers */
1459 NULL, /* return_path */
1460 NULL, /* debug_string */
1461 NULL, /* max_parallel */
1462 NULL, /* message_size_limit */
1463 NULL, /* headers_rewrite */
1464 NULL, /* rewrite_rules */
1465 0, /* rewrite_existflags */
1466 300, /* filter_timeout */
1467 FALSE, /* body_only */
1468 FALSE, /* delivery_date_add */
1469 FALSE, /* envelope_to_add */
1470 FALSE, /* headers_only */
1471 FALSE, /* rcpt_include_affixes */
1472 FALSE, /* return_path_add */
1473 FALSE, /* return_output */
1474 FALSE, /* return_fail_output */
1475 FALSE, /* log_output */
1476 FALSE, /* log_fail_output */
1477 FALSE, /* log_defer_output */
1478 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1479 1 nor 0 so can detect unset */
1480 #ifndef DISABLE_EVENT
1481 ,NULL /* event_action */
1485 int transport_count;
1486 uschar *transport_name = NULL;
1487 int transport_newlines;
1488 const uschar **transport_filter_argv = NULL;
1489 int transport_filter_timeout;
1490 BOOL transport_filter_timed_out = FALSE;
1491 int transport_write_timeout= 0;
1493 tree_node *tree_dns_fails = NULL;
1494 tree_node *tree_duplicates = NULL;
1495 tree_node *tree_nonrecipients = NULL;
1496 tree_node *tree_unusable = NULL;
1498 BOOL trusted_caller = FALSE;
1499 BOOL trusted_config = TRUE;
1500 gid_t *trusted_groups = NULL;
1501 uid_t *trusted_users = NULL;
1502 uschar *timezone_string = US TIMEZONE_DEFAULT;
1504 uschar *unknown_login = NULL;
1505 uschar *unknown_username = NULL;
1506 uschar *untrusted_set_sender = NULL;
1508 /* A regex for matching a "From_" line in an incoming message, in the form
1510 From ph10 Fri Jan 5 12:35 GMT 1996
1512 which the "mail" commands send to the MTA (undocumented, of course), or in
1515 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1517 which is apparently used by some UUCPs, despite it not being in RFC 976.
1518 Because of variations in time formats, just match up to the minutes. That
1519 should be sufficient. Examples have been seen of time fields like 12:1:03,
1520 so just require one digit for hours and minutes. The weekday is also absent
1523 uschar *uucp_from_pattern = US
1524 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1525 "(?:" /* Non-extracting bracket */
1526 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1527 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1528 ")" /* End alternation */
1529 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1531 uschar *uucp_from_sender = US"$1";
1533 uschar *verify_mode = NULL;
1534 uschar *version_copyright =
1535 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1536 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1537 uschar *version_date = US"?";
1538 uschar *version_cnumber = US"????";
1539 uschar *version_string = US"?";
1541 uschar *warn_message_file = NULL;
1542 int warning_count = 0;
1543 uschar *warnmsg_delay = NULL;
1544 uschar *warnmsg_recipients = NULL;
1545 BOOL write_rejectlog = TRUE;
1548 /* End of globals.c */